Map of Wrangel Island (IMAGE) University at Buffalo Caption New research builds on evidence that the last mammoths on Wrangel Island suffered from a variety of genetic defects. Credit Rebecca Farnham / University at Buffalo Usage Restrictions This map may only be used in news stories discussing the research in the related press release. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.